Document Outline

• Contents
  • Notices
  • Safety information
  • About this guide
  • P7P55D-E LX specifications summary
• Chapter 1: Product introduction
  • 1.1 Welcome!
  • 1.2 Package contents
  • 1.3 Special features
    • 1.3.1 Product highlights
  • 1.4 Before you proceed
  • 1.5 Motherboard overview
    • 1.5.1 Placement direction
    • 1.5.2 Screw holes
    • 1.5.3 Motherboard layout
    • 1.5.4 Layout contents
  • 1.6 Central Processing Unit (CPU)
    • 1.6.1 Installing the CPU
    • 1.6.2 Installing the CPU heatsink and fan
    • 1.6.3 Uninstalling the CPU heatsink and fan
  • 1.7 System memory
    • 1.7.1 Overview
    • 1.7.2 Memory configurations
  • 1.8 Expansion slot
    • 1.8.1 Installing an expansion card
    • 1.8.2 Configuring an expansion card
    • 1.8.3 PCI slots
  • 1.9 Jumper
  • 1.10 Onboard switches
  • 1.11 Connectors
    • 1.11.1 Rear panel connectors
    • 1.11.2 Internal connectors
    • 1.11.3 Onboard LEDs
  • 1.12 Installing an operating system
  • 1.13 Support DVD information
    • 1.13.1 Running the support DVD
• Chapter 2: BIOS setup
• 2.1 Managing and updating your BIOS
  • 2.1.1 ASUS Update
  • 2.1.2 ASUS EZ Flash 2
  • 2.1.3 ASUS CrashFree BIOS 3 utility
  • 2.1.4 ASUS BIOS Updater
• 2.2 BIOS setup program
  • Entering BIOS Setup at startup
  • Entering BIOS Setup after POST
• 2.3 Main menu
  • 2.3.1 SATA 1-6
  • 2.3.2 Storage Configuration
  • 2.3.3 AHCI Configuration
  • 2.3.4 System Information
• 2.4 Ai Tweaker menu
  • 2.4.1 CPU Level Up [Auto]
  • 2.4.2 Ai Overclock Tuner [Auto]
  • 2.4.3 CPU Ratio Setting [Auto]
  • 2.4.4 Intel(R) SpeedStep(TM) Tech [Enabled]
  • 2.4.5 Intel(R) TurboMode Tech [Enabled]
  • 2.4.6 Xtreme Phase Full Power Mode [Auto]
  • 2.4.7 DRAM Frequency [Auto]
  • 2.4.8 QPI Frequency [Auto]
  • 2.4.9 DRAM Timing Control [Auto]
  • 2.4.10 CPU Differential Amplitude [Auto]
  • 2.4.11 CPU Clock Skew [Auto]
  • 2.4.12 CPU Voltage Mode [Offset]
  • 2.4.13 IMC Voltage [Auto]
  • 2.4.14 DRAM Voltage [Auto]
  • 2.4.15 CPU PLL Voltage [Auto]
  • 2.4.16 PCH Voltage [Auto]
  • 2.4.17 Load-Line Calibration [Auto]
  • 2.4.18 CPU Spread Spectrum [Auto]
  • 2.4.19 PCIE Spread Spectrum [Auto]
• 2.5 Advanced menu
  • 2.5.1 CPU Configuration
  • 2.5.2 Uncore Configuration
  • 2.5.3 Onboard Devices Configuration
  • 2.5.4 USB Configuration
  • 2.5.5 PCIPnP
  • 2.5.6 Intel VT-d Configuration [Disabled]
• 2.6 Power menu
  • 2.6.1 Suspend Mode [Auto]
  • 2.6.2 Repost Video on S3 Resume [No]
  • 2.6.3 ACPI 2.0 Support [Disabled]
  • 2.6.4 ACPI APIC Support [Enabled]
  • 2.6.5 EuP Ready [Disabled]
  • 2.6.6 APM Configuration
  • 2.6.7 Hardware Monitor
• 2.7 Boot menu
  • 2.7.1 Boot Device Priority
  • 2.7.2 Boot Settings Configuration
  • 2.7.3 Security
• 2.8 Tools menu
  • 2.8.1 ASUS O.C. Profile
  • 2.8.2 AI NET 2
  • 2.8.3 ASUS EZ Flash 2
  • 2.8.4 Express Gate [Auto]
  • 2.8.5 IO Levelup [Disabled]
• 2.9 Exit menu